How can the issue of the form submitting to the calling script instead of itself be resolved?

Issue: The form is submitting to the calling script instead of itself because the action attribute in the form tag is empty or pointing to the wrong URL. To resolve this, set the action attribute of the form tag to the current URL using PHP $_SERVER['PHP_SELF']. 

<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
    <!-- form fields go here -->
    <input type="submit" value="Submit">
</form>

Keywords

PHP form submission calling script action attribute $_SERVER['PHP_SELF']

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